Examlex
Describe the differences among the four levels of control-precontrol, control, utilization, and proficiency.
Null Hypothesis
A statistical assumption that indicates no effect or no difference in a particular context, used as a starting point for hypothesis testing.
P-value
A statistical measure that helps scientists determine the significance of their research results by comparing the observed data against a specific hypothesis.
P-value
A statistical measure that indicates the probability of the observed data (or something more extreme) under the assumption that the null hypothesis is true.
Null Hypothesis
A statement used in statistics that proposes no significant difference or effect.
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